Sr. Backend Developer

Addison Group • Contract • Washington, District of Columbia, United States • 3m ago

Title: Sr. Backend Developer

Location: Washington DC

Pay: 67-80/hr

We’re building a next-generation data analytics platform on Google Cloud Platform to power in-app workflows and analytics for our users. Our stack includes Python microservices, Airflow for pipeline orchestration, and a React/Next.js frontend. You’ll join a small, cross-functional team responsible for end-to-end service development, deployment, and operational excellence.

What You’ll Do

● Design, implement, and maintain backend services and APIs in Python

● Build and optimize data pipelines using Apache Airflow

● Collaborate with product and frontend teams to define clear service contracts

● Develop infrastructure-as-code for GCP resources (Pub/Sub, Cloud Functions, BigQuery, Cloud Storage)

● Ensure reliability: write tests, set up monitoring/alerting, troubleshoot production issues

● Participate in code reviews, mentor junior engineers, and help evolve our best practices

What We’re Looking For

● 4+ years of professional Python development experience

● Hands-on experience with Apache Airflow (authoring DAGs, operators, scheduling)

● Strong working knowledge of Google Cloud Platform services (Compute Engine, Cloud Functions, BigQuery, Pub/Sub, IAM)

● Experience containerizing applications (Docker) and deploying with CI/CD (GitHub Actions, Cloud Build, etc.)

● Solid understanding of SQL and relational databases; bonus for NoSQL (Firestore/Datastore)

● Familiarity with RESTful API design

● Commitment to code quality: automated tests, linting, type checking

Nice-to-Haves

● Experience with Terraform or other IaC tools

● Knowledge of Kubernetes and serverless architectures

● Background in event-driven or streaming data systems (Dataflow, Kafka)

● Exposure to security best practices in cloud environments

● Experience performing statistical analysis and data modeling (e.g., using NumPy, pandas, SciPy)

● Familiarity with machine learning frameworks and workflows (e.g., scikit-learn, TensorFlow, PyTorch)

Dental, Vision, Medical, 401(k)

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request

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